Function betweenChomp

betweenChomp(
    source: string,
    start: string,
    end?: string,
    lastEndMatch?: boolean,
): [source: string, between: string]
Like between, but also returns the source string without the start/end match and what's between.
```
const [src,between] = betweenChomp('hello [there] friend', '[', ']');
// src: 'hello  friend'
// between: 'there'
```
Parameters
- source: string
- start: string
- Optionalend: string
- lastEndMatch: boolean = true
Returns [source: string, between: string]